例文・使い方で印象づける「croaks」の覚え方
スポンサーリンク...Whenalarmed, several low, guttural croaks... 
Frank M. Chapman 「Color Key to North American Birds」
...The Cranes have loud sonorousvoices; the Herons raucous croaks...
Frank M. Chapman 「Color Key to North American Birds」
...The booming, vast croaks filled the whole valley, reverberatingthrough the hills...
Various 「Astounding Stories of Super-Science, June, 1930」
...The great mouth opened, and as the dum-dum bullets tore gashesin the blackish green batrachian, the thunderous croaks took on a noteof pain...
Various 「Astounding Stories of Super-Science, June, 1930」
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dexterous buddhism smears
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